./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 310c99156af564276fd2307b8bd19d77055bd9a88be466df2e869c4dbf78e36f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:07:49,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:07:49,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:07:49,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:07:49,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:07:49,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:07:49,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:07:49,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:07:49,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:07:49,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:07:49,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:07:49,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:07:49,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:07:49,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:07:49,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:07:49,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:07:49,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:07:49,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:07:49,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:07:49,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:07:49,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:07:49,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:07:49,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:07:49,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:07:49,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:07:49,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:07:49,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:07:49,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:07:49,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:07:49,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:07:49,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:07:49,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:07:49,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:07:49,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:07:49,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:07:49,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:07:49,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:07:49,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:07:49,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:07:49,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:07:49,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:07:49,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:07:49,402 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:07:49,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:07:49,403 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:07:49,403 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:07:49,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:07:49,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:07:49,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:07:49,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:07:49,406 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:07:49,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:07:49,408 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:07:49,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:07:49,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:07:49,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:07:49,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:07:49,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:07:49,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:07:49,409 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:07:49,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:07:49,410 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:07:49,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:07:49,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:07:49,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:07:49,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:07:49,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:07:49,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:07:49,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:07:49,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:07:49,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:07:49,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:07:49,414 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:07:49,415 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:07:49,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:07:49,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 310c99156af564276fd2307b8bd19d77055bd9a88be466df2e869c4dbf78e36f [2022-11-16 11:07:49,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:07:49,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:07:49,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:07:49,859 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:07:49,859 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:07:49,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2022-11-16 11:07:49,936 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/data/75afbd21d/ef19e0b69e4c4ab99963dc137e3bda19/FLAG5e08ec208 [2022-11-16 11:07:50,474 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:07:50,475 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2022-11-16 11:07:50,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/data/75afbd21d/ef19e0b69e4c4ab99963dc137e3bda19/FLAG5e08ec208 [2022-11-16 11:07:50,785 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/data/75afbd21d/ef19e0b69e4c4ab99963dc137e3bda19 [2022-11-16 11:07:50,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:07:50,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:07:50,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:07:50,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:07:50,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:07:50,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:07:50" (1/1) ... [2022-11-16 11:07:50,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77623cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:50, skipping insertion in model container [2022-11-16 11:07:50,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:07:50" (1/1) ... [2022-11-16 11:07:50,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:07:50,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:07:51,100 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c[1605,1618] [2022-11-16 11:07:51,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:07:51,346 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:07:51,366 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c[1605,1618] [2022-11-16 11:07:51,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:07:51,493 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:07:51,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:51 WrapperNode [2022-11-16 11:07:51,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:07:51,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:07:51,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:07:51,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:07:51,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:51" (1/1) ... [2022-11-16 11:07:51,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:51" (1/1) ... [2022-11-16 11:07:51,588 INFO L138 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 228 [2022-11-16 11:07:51,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:07:51,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:07:51,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:07:51,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:07:51,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:51" (1/1) ... [2022-11-16 11:07:51,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:51" (1/1) ... [2022-11-16 11:07:51,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:51" (1/1) ... [2022-11-16 11:07:51,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:51" (1/1) ... [2022-11-16 11:07:51,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:51" (1/1) ... [2022-11-16 11:07:51,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:51" (1/1) ... [2022-11-16 11:07:51,642 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:51" (1/1) ... [2022-11-16 11:07:51,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:51" (1/1) ... [2022-11-16 11:07:51,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:07:51,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:07:51,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:07:51,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:07:51,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:51" (1/1) ... [2022-11-16 11:07:51,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:07:51,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:07:51,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:07:51,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:07:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:07:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 11:07:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 11:07:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 11:07:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 11:07:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 11:07:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 11:07:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 11:07:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 11:07:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 11:07:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 11:07:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 11:07:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 11:07:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:07:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 11:07:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 11:07:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:07:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:07:51,881 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:07:51,883 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:07:52,245 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:07:52,254 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:07:52,254 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:07:52,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:07:52 BoogieIcfgContainer [2022-11-16 11:07:52,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:07:52,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:07:52,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:07:52,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:07:52,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:07:50" (1/3) ... [2022-11-16 11:07:52,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b32894a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:07:52, skipping insertion in model container [2022-11-16 11:07:52,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:51" (2/3) ... [2022-11-16 11:07:52,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b32894a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:07:52, skipping insertion in model container [2022-11-16 11:07:52,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:07:52" (3/3) ... [2022-11-16 11:07:52,277 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product19.cil.c [2022-11-16 11:07:52,310 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:07:52,311 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:07:52,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:07:52,399 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a70c666, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:07:52,399 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:07:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 69 states have internal predecessors, (86), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 11:07:52,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 11:07:52,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:52,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:52,423 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:52,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:52,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1452553281, now seen corresponding path program 1 times [2022-11-16 11:07:52,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:52,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035346948] [2022-11-16 11:07:52,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:52,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:52,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:07:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:52,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:52,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035346948] [2022-11-16 11:07:52,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035346948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:52,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:52,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:07:52,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125824252] [2022-11-16 11:07:52,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:52,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:07:52,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:52,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:07:52,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:07:52,776 INFO L87 Difference]: Start difference. First operand has 82 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 69 states have internal predecessors, (86), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:07:52,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:52,839 INFO L93 Difference]: Finished difference Result 156 states and 211 transitions. [2022-11-16 11:07:52,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:07:52,842 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-16 11:07:52,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:52,865 INFO L225 Difference]: With dead ends: 156 [2022-11-16 11:07:52,865 INFO L226 Difference]: Without dead ends: 73 [2022-11-16 11:07:52,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:07:52,872 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:52,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:07:52,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-16 11:07:52,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-16 11:07:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 55 states have (on average 1.309090909090909) internal successors, (72), 61 states have internal predecessors, (72), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-16 11:07:52,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2022-11-16 11:07:52,965 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 25 [2022-11-16 11:07:52,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:52,966 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2022-11-16 11:07:52,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:07:52,968 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2022-11-16 11:07:52,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 11:07:52,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:52,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:52,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:07:52,972 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:52,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:52,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1317189843, now seen corresponding path program 1 times [2022-11-16 11:07:52,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:52,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167984455] [2022-11-16 11:07:52,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:52,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:07:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:53,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:53,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167984455] [2022-11-16 11:07:53,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167984455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:53,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:53,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:07:53,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918487247] [2022-11-16 11:07:53,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:53,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:07:53,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:53,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:07:53,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:53,244 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:07:53,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:53,267 INFO L93 Difference]: Finished difference Result 108 states and 136 transitions. [2022-11-16 11:07:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:07:53,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-16 11:07:53,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:53,269 INFO L225 Difference]: With dead ends: 108 [2022-11-16 11:07:53,269 INFO L226 Difference]: Without dead ends: 64 [2022-11-16 11:07:53,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:07:53,272 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 16 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:53,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:07:53,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-16 11:07:53,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-16 11:07:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 55 states have internal predecessors, (65), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 11:07:53,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2022-11-16 11:07:53,281 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 26 [2022-11-16 11:07:53,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:53,282 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2022-11-16 11:07:53,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:07:53,283 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-11-16 11:07:53,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 11:07:53,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:53,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:53,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:07:53,285 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:53,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:53,285 INFO L85 PathProgramCache]: Analyzing trace with hash 755375039, now seen corresponding path program 1 times [2022-11-16 11:07:53,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:53,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349948627] [2022-11-16 11:07:53,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:53,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:53,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:07:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:53,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:53,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:53,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349948627] [2022-11-16 11:07:53,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349948627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:53,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:53,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:07:53,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363086850] [2022-11-16 11:07:53,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:53,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:07:53,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:53,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:07:53,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:07:53,625 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:07:53,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:53,843 INFO L93 Difference]: Finished difference Result 221 states and 287 transitions. [2022-11-16 11:07:53,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:07:53,844 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-11-16 11:07:53,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:53,847 INFO L225 Difference]: With dead ends: 221 [2022-11-16 11:07:53,847 INFO L226 Difference]: Without dead ends: 164 [2022-11-16 11:07:53,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:07:53,849 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 169 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:53,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 450 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:07:53,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-11-16 11:07:53,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 158. [2022-11-16 11:07:53,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 119 states have (on average 1.361344537815126) internal successors, (162), 133 states have internal predecessors, (162), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22) [2022-11-16 11:07:53,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 205 transitions. [2022-11-16 11:07:53,878 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 205 transitions. Word has length 30 [2022-11-16 11:07:53,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:53,879 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 205 transitions. [2022-11-16 11:07:53,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:07:53,880 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 205 transitions. [2022-11-16 11:07:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-16 11:07:53,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:53,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:53,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:07:53,882 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:53,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:53,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1326960786, now seen corresponding path program 1 times [2022-11-16 11:07:53,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:53,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180458845] [2022-11-16 11:07:53,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:53,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:54,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:07:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:54,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:07:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:54,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:54,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:54,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180458845] [2022-11-16 11:07:54,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180458845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:54,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:54,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:07:54,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300828133] [2022-11-16 11:07:54,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:54,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:07:54,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:54,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:07:54,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:07:54,172 INFO L87 Difference]: Start difference. First operand 158 states and 205 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:07:54,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:54,293 INFO L93 Difference]: Finished difference Result 452 states and 606 transitions. [2022-11-16 11:07:54,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:07:54,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-11-16 11:07:54,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:54,300 INFO L225 Difference]: With dead ends: 452 [2022-11-16 11:07:54,302 INFO L226 Difference]: Without dead ends: 301 [2022-11-16 11:07:54,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:07:54,305 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 52 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:54,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 323 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:07:54,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-11-16 11:07:54,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 292. [2022-11-16 11:07:54,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 218 states have (on average 1.3394495412844036) internal successors, (292), 242 states have internal predecessors, (292), 42 states have call successors, (42), 34 states have call predecessors, (42), 31 states have return successors, (48), 27 states have call predecessors, (48), 42 states have call successors, (48) [2022-11-16 11:07:54,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 382 transitions. [2022-11-16 11:07:54,354 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 382 transitions. Word has length 35 [2022-11-16 11:07:54,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:54,354 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 382 transitions. [2022-11-16 11:07:54,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:07:54,355 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 382 transitions. [2022-11-16 11:07:54,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-16 11:07:54,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:54,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:54,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:07:54,359 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:54,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:54,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1101152696, now seen corresponding path program 1 times [2022-11-16 11:07:54,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:54,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377267592] [2022-11-16 11:07:54,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:54,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:54,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:07:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:54,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:07:54,449 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:07:54,450 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:07:54,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:07:54,459 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 11:07:54,467 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:07:54,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:07:54 BoogieIcfgContainer [2022-11-16 11:07:54,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:07:54,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:07:54,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:07:54,553 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:07:54,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:07:52" (3/4) ... [2022-11-16 11:07:54,555 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 11:07:54,663 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:07:54,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:07:54,668 INFO L158 Benchmark]: Toolchain (without parser) took 3878.02ms. Allocated memory was 125.8MB in the beginning and 190.8MB in the end (delta: 65.0MB). Free memory was 85.8MB in the beginning and 120.8MB in the end (delta: -35.0MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2022-11-16 11:07:54,668 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:07:54,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.94ms. Allocated memory is still 125.8MB. Free memory was 85.6MB in the beginning and 93.3MB in the end (delta: -7.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:07:54,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.82ms. Allocated memory is still 125.8MB. Free memory was 92.7MB in the beginning and 90.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:07:54,669 INFO L158 Benchmark]: Boogie Preprocessor took 63.50ms. Allocated memory is still 125.8MB. Free memory was 90.6MB in the beginning and 89.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:07:54,670 INFO L158 Benchmark]: RCFGBuilder took 604.22ms. Allocated memory is still 125.8MB. Free memory was 89.1MB in the beginning and 71.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 11:07:54,670 INFO L158 Benchmark]: TraceAbstraction took 2291.69ms. Allocated memory was 125.8MB in the beginning and 190.8MB in the end (delta: 65.0MB). Free memory was 70.2MB in the beginning and 125.0MB in the end (delta: -54.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2022-11-16 11:07:54,670 INFO L158 Benchmark]: Witness Printer took 114.96ms. Allocated memory is still 190.8MB. Free memory was 125.0MB in the beginning and 120.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:07:54,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.94ms. Allocated memory is still 125.8MB. Free memory was 85.6MB in the beginning and 93.3MB in the end (delta: -7.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.82ms. Allocated memory is still 125.8MB. Free memory was 92.7MB in the beginning and 90.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.50ms. Allocated memory is still 125.8MB. Free memory was 90.6MB in the beginning and 89.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 604.22ms. Allocated memory is still 125.8MB. Free memory was 89.1MB in the beginning and 71.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2291.69ms. Allocated memory was 125.8MB in the beginning and 190.8MB in the end (delta: 65.0MB). Free memory was 70.2MB in the beginning and 125.0MB in the end (delta: -54.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 114.96ms. Allocated memory is still 190.8MB. Free memory was 125.0MB in the beginning and 120.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L303] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L605] int methaneLevelCritical = 0; [L763] int pumpRunning = 0; [L604] int waterLevel = 1; [L764] int systemActive = 1; [L500] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L578] int retValue_acc ; [L579] int tmp ; [L583] FCALL select_helpers() [L584] FCALL select_features() [L585] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L585] RET, EXPR valid_product() [L585] tmp = valid_product() [L587] COND TRUE \read(tmp) [L589] FCALL setup() [L590] CALL runTest() [L572] CALL test() [L695] int splverifierCounter ; [L696] int tmp ; [L697] int tmp___0 ; [L698] int tmp___1 ; [L699] int tmp___2 ; [L702] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L704] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L706] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L712] tmp = __VERIFIER_nondet_int() [L714] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L716] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L622] COND TRUE waterLevel < 2 [L623] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L716] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L722] tmp___0 = __VERIFIER_nondet_int() [L724] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L732] tmp___2 = __VERIFIER_nondet_int() [L734] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L749] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L770] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L777] COND TRUE \read(systemActive) [L779] CALL processEnvironment() [L799] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L802] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L817] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L779] RET processEnvironment() [L785] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L107] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] int retValue_acc ; [L646] retValue_acc = methaneLevelCritical [L647] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L107] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L675] int retValue_acc ; [L678] retValue_acc = waterLevel [L679] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND TRUE tmp___0 == 2 [L117] CALL, EXPR isPumpRunning() [L851] int retValue_acc ; [L854] retValue_acc = pumpRunning [L855] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L117] RET, EXPR isPumpRunning() [L117] tmp___1 = isPumpRunning() [L119] COND FALSE !(\read(tmp___1)) [L123] CALL __automaton_fail() [L54] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 241 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 1014 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 642 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 372 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-16 11:07:54,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520e3c6c-c6cb-4164-bf24-e58dbe6003ff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE